50pcs 4/4.7/5/6/7mm Aluminum Bird Foot Ring Tag Training Behaviour Tool Mixed Colors Outdoor Flying Training Race Identification

High quality of materialsName: Inner diameter 4/4.7/5/6/7mm bird foot ringMaterial: AluminumColor mixing: Color mixing (6 colors random)Inner diameter: 4/4.7/5/6/7mmNumber: Random number, no repetitionSuitable for:Inner diameter 4.0mm ==> Bailing, budgerigar, gray bird, snow dove, etc.Inner diameter 4.7mm ==> peony, big head, Pacific, horizontal spot, thrush, wax mouth, shrike, etc.Packing include:50 Pcs x Aluminum bird foot ring(6 Colors randomly send mixed colors, Random number, no repetition)Notice:The size is measured by hands, please allow minor error of measurement.Photo color might be a little different from the actual product due to color display of different monitors.